JL Audio M-Series M2150 Owner'S Manual Download Page 1

Thank you for purchasing a JL Audio amplifier for 

your marine sound system. 

Your amplifier has been designed and manufactured to exacting 

standards in order to ensure years of musical enjoyment in your vessel. 

For maximum performance and extended warranty 

coverage, we highly recommend that you have your new amplifier 

installed by an authorized JL Audio dealer.  Your authorized 

dealer has the training, expertise and installation equipment to ensure 

optimum performance from this product. Should you 

decide to install the amplifier yourself, please take the time 

to read this manual thoroughly so as to familiarize yourself 

with its installation requirements and setup procedures.

If you have any questions regarding the instructions in this 

manual or any aspect of your amplifier’s operation, please contact your 

authorized JL Audio dealer for assistance. If you need further assistance, 

please call the JL Audio Technical Support Department 

at (954) 443-1100 during business hours.

OWNER’S MANUAL

M

2150

two-channel marine amplifier 

Summary of Contents for M-Series M2150

Page 1: ...nd installation equipment to ensure optimum performance from this product Should you decide to install the amplifier yourself please take the time to read this manual thoroughly so as to familiarize y...

Page 2: ...in any other area that will expose the amplifier circuitry to the elements While this amplifier is specially designed for marine applications it is not waterproof and it should not be mounted where it...

Page 3: ...k using the supplied 2 5mm hex wrench Strip 1 2 inch 12mm of wire and insert the bare wire into the terminal block seating it firmly so that no bare wire is exposed While holding the wire in the termi...

Page 4: ...stem HP mode or both 80 Hz is a good baseline Filter Freq Hz setting After properly adjusting the Input Sens as outlined in Appendix A page 12 you can fine tune the Filter Freq Hz control to achieve t...

Page 5: ...mal protection systems which shut down an amplifier when it overheats this system protects the amplifier by gradually reducing power output if the amplifier s safe operating temperature is exceeded Th...

Page 6: ...nstallation or setup of the amplifier not covered in this manual please contact your dealer or technical support JL Audio Technical Support 954 443 1100 9 00 AM 5 30 PM Eastern Time Zone Monday Friday...

Page 7: ...frequency range to be amplified for that set of channels 50 Hz for subwoofer channels 1 kHz for a midrange application Do not use attenuated test tones 10 dB 20 dB etc The Nine Step Procedure 1 Disco...

Page 8: ...accept up to 8 AWG wire Make sure to strip the wire to allow for a sufficient connection with the metal inside the terminal block How do I properly set the input sensitivity on my amplifier Please re...

Page 9: ...JL AUDIO M2150 17 16 JL AUDIO M2150 INSTALLATION NOTES Use this diagram to document your amplifier s switch and control positions...

Page 10: ...JL AUDIO M2150 19 18 JL AUDIO M2150 INSTALLATION NOTES INSTALLATION NOTES...

Page 11: ...ied warranties therefore these exclusions may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state If you need service on yo...

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